Cloud arches a brow and glances in Ami's direction, but since that totally concerning elevator noise doesn't seem to be bothering her at all, he won't worry about it.

"Below as in something dug it's way in and attacked them, or was someone was keeping something there and it got free?"

He's not asking so much as he's just tossing out possibilities. His first thoughts are monster attacks or mad science experiments gone wrong, neither scenario sounds super great to him.